Firmware data (service information)

Firmware data is necessary for functioning of internal HDD circuits and as a rule it remains hidden from users. Firmware data can be subdivided into the following types: Servo information or servo fields; Low-level format; Resident firmware microcode (operational programs); Configuration tables and settings; Tables of defects.…
Read More

Modern Hard disk drive

Introduction Brief architecture description, the main problems of modern hard disk drives, methods of HDD servicing and repair of simple malfunctions, SMART, passwords. The article is intended for data recovery specialists, technicians servicing computer equipment, network administrators and experienced users. Drive construction A drive consists of a mechanical part – head-and-disk assembly (HDA) and a printed circuit board (PCB).…
Read More

Hard Disk Details(10)

Matching Serial Numbers on Hard Drives This link is where I keep track of documentation on how each hard drive needs to be matched for a working donor drive.  I get this any where I can, use it if you can, and if you happen to find something out please let me know so I can add it to the collection!…
Read More

Hard Disk Details(9)

Slide 4500:  Doing a Platter Swap for a Single Platter List of items needed: The first step is to get a hard drive as close to identical as the bad drive you have that is a working drive. At the bottom of this paper you will find help about matching hard drives and serial numbers.…
Read More